Question about Samsung SP-R4232 42 in. Plasma HDTV

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Blue snowy pixel areas on my plasma

I have a six month old Samsung 42" plasma. I just started showing an area towards the upper left corner of blue snowy pixel patches. Its not there all the time. It shows up under certain light or bright emissions of picture. Even on black and white movies. Its about six inches down and about three inches in on the upper left corner. Usually shows up when the TV warms up.

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  • Roger Gascoigne Jun 26, 2007

    Where and how do I adjust the Vs or Vscan voltages?

    Thanks

  • mark2000 Nov 09, 2007

    I have the same problem but the blue pixel are on the right side of the screen.



    -mark

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Some of these panels were mis-calibrated from the factory after not aging long enough. Let the TV run for atleast 2 hours and adjust the Vs and Vscan voltages. When it is blue in the left I have found generally the Vs is about 10 volts too high.

Posted on Jun 25, 2007

  • Anonymous Jul 04, 2007

    There are POT's on the power supply they should be labled. Be carefull, if it is only 6 months old I'd call samsung they will find you a pro under warranty.

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Posted on Jan 02, 2017

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